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PYSEC-2026-2716 Open WebUI vulnerable to stored XSS via unescaped markdown token in MarkdownTokens.svelte leading to full account takeover and RCE via functions

🗓️ 13 Jul 2026 15:46:29Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Summary A vulnerability in the way certain html tags in chat messages are rendered allows attackers to inject JavaScript code into a chat transcript. The JavaScript code will be executed in the user's browser every time that chat transcript is ope...

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13 Jul 2026 16:32Current
6.4Medium risk
Vulners AI Score6.4
CVSS 48.7
EPSS0.00449
3